Cantilever shelf



FIG. 1 is a top perspective view of a cantilever shelf showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevation taken from the left of FIG. 1, the side opposite being a mirror image thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevation thereof; and

FIG. 6 is a front elevation thereof. 

The ornamental design for a cantilever shelf, substantially as shown and described. 